Spill the Jills
To fart out a bunch of soupy turds.
"Someone spilled the jills all over this urinal at Chipotle."
"Stop at a gas station. I'm gonna spill the jills!"
"Stop at a gas station. I'm gonna spill the jills!"
Spilling the jills
The act of expelling large amounts of watery excrement and roughly marble-sized bits of feces (jills) from the rectum within an extremely short period of time.
Don't get the chili! I don't want you spilling the jills all over my toilet tonight.